20644689

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12911}}^1$

素因数の和:12968

約数の個数: 16

約数和(自身を含む): 30369024

約数和(自身を除く): 9724335

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12911, 38733, 167843, 503529, 529351, 1588053, 6881563, 20644689]

約数ペア:

[(1, 20644689), (3, 6881563), (13, 1588053), (39, 529351), (41, 503529), (123, 167843), (533, 38733), (1599, 12911)]